Home / 87,617.60-131,445.12-32,213.60

Finding the Fourth Proportional to 87,617.60, 131,445.12 and 32,213.60

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Solution

The fourth proportional to 87,617.60, 131,445.12 and 32,213.60 is: 48,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.60 : 131,445.12 = 32,213.60 : x
  2. Step 2: Convert to fraction form
    87,617.60/131,445.12 = 32,213.60/x
  3. Step 3: Cross multiply
    87,617.60x = 131,445.12 × 32,213.60
  4. Step 4: Simplify right side
    87,617.60x = 4,234,320,517.63
  5. Step 5: Solve for x
    x = 4,234,320,517.63/87,617.60
  6. Step 6: Final answer
    x = 48,327.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.